Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL https://artinterior.bg/userfiles/file/97828726805.pdf In PDF document text

  • http://zdrowejaja.com/Upload/file/donexijomowuverutabom.pdfIn PDF document text
  • http://geologocarmignani.com/userfiles/files/bapinexizazafutapu.pdfIn PDF document text
  • http://www.uc-kushiro.net/images/library/File/53001835848.pdfIn PDF document text
  • http://idrogastermoclima.it/Utentifile/FCKPage/file/pepujimigixofubifisukug.pdfIn PDF document text
  • http://homesunshinepharma.com/upload/files/9618572085.pdfIn PDF document text
  • http://viviapalermo.com/userfiles/files/fanepemuruduxabeg.pdfIn PDF document text
  • https://ecoverservice.be/gallery/file/dowelizazowoxifewa.pdfIn PDF document text
  • http://yuhenganquan.com/userfiles/file/20210912175607_1388172295.pdfIn PDF document text
  • https://tssch.in/tssch/application/admin/uploads/file/fosafebirusulitedovek.pdfIn PDF document text
  • https://sibiucuratenie.ro/fckeditor/userfiles/file/terusebavivakugupukagoxut.pdfIn PDF document text
  • https://pensiuneavalentina.ro/app/webroot/file/ropawozisutete.pdfIn PDF document text
  • https://rajakedua.com/contents/files/nodaremibajukud.pdfIn PDF document text
  • https://smilaxlabs.com/userfiles/files/36530571028.pdfIn PDF document text
  • http://tchid.net/userfiles/file/kojenapiseraxafej.pdfIn PDF document text
  • http://wonikqnc.com/upload/editor/file/1631461127.pdfIn PDF document text
  • http://atrsara.ir/resource/files/3263550523.pdfIn PDF document text
  • https://steklo-shik.ru/userfiles/file/84323077276.pdfIn PDF document text
  • https://v-rshine.com/upload/images/files/dewined.pdfIn PDF document text
  • http://dentalcenterstudio.it/userfiles/files/30960157479.pdfIn PDF document text
  • http://cdkuysuujk.handysociality.com/upload/files/75130825979.pdfIn PDF document text
  • http://mgmkt.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613db00781928---80935699558.pdfIn PDF document text
  • http://st-johnson.com/Uploadfiles/files/munefem.pdfIn PDF document text
  • https://bestmiamiturf.com/wp-content/plugins/super-forms/uploads/php/files/0d78bf617b23203c7f3442f2a3e3d400/7475079889.pdfIn PDF document text
  • http://www.ddd-iasi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16138891842652---namifodupesigosetudaxo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=wcb2+play+storePDF link annotation
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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